Method of making adhesive-cord strips and winding mechanism therefor



F. B. CONVERSE AND J. L. BUTLER. METHOD OF MAKING ADHESIVE CORD SIRIPS AND WINDING MECHANISM THEREFOR.

APPLICATION FILED JULY H. 1918.

Patented Apr. 20, 1920.

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men or name man arm; A!!!) wnmnwe lpeemeation of mm} rum. Application filled July 11, 1818. lertal Io.

To all whom it mag concern:

Be it known t at we, Funnels B. Convnnsn and JAMES L. Burma, citizens of the United States, residing at n, 1n the county of Summit and State ofOhlo, have invented a certain new and useful Method of Making Adhesive-Cord Strips and Wmdmg Mechanism Therefor, of which the followin is a specification.

his invention relates to means for making strips of rubberized cord to be used in the manufacture of pneumatlc tires, and it relates more particularly to the method of winding the cord on a cylindrical drum or mandrel and cuttin the cord-cylinder on a steep-pitched helica line to obtain the desired strip. Heretofore the practloe has been to mount a single drum between the spindles of a lathe uipped with a screw feed, and, after win ing a drum full of cord, either to slit the cord-cylinder and strip oil the band while the drum remains in the lathe, or to take out the drum, remove it to a rack where the slitting and stripping are performed, and replace it with a fresh drum. In either case the wlnding operation is interrupted for a considerable period, and the capacity of the apparatus is correspondingly reduced. As the cord approaching the winding apparatus is sometimes passed through a tube machine for applying a plastic rubber coating to the cord, the stopping of the latter for any considerable'period allows the rubber in the tube machine partially to set or vulcanize, which is undesirable. Our object is to increase the of the winder and shorten stoppage of the cord, and provide an apparatus including a of drums so mounted as to be capable o alternate connection with the lathe spindles, in order that one drum may be wound with cord while another is having the cord-cylinder slit and the strip removed therefrom.

Of the accompanying drawings,

Figure 1 is a plan view of a drum-winding apparatus constructed according to our invention.

Fig. 2 is a cross-section on the line 2-2 of F1 1.

In the drawings, 10 is the frame, 11 the live spindle or driver and 12 the tail spindle c an apparatus corresponding to a lathe and having a feed screw 13, the latter being end we pluralit Patented Apr. 20, 1920. 244,415.

driven in the usual manner b reversible gearingwhich is omitted in t 0 drawing. 14 1s a feed ca operated by the screw 13 and provided with suitable id members 15, 16, 17, 18 over which t e rub rized cord 19 is led onto the winding drum or mandrel 20. There are two of the drums 20 loosely ournaled 1n bearings 21 on a frame or turret plates 23, being paralIel e axis of the spindles 11, 12 and journaled in beari f 24 on the lathe frame. Handles or spo es 25, 26, projecting at l ght-angles from end plates 23, are provlded for rotating the drum-holding frame, and a spring-catch 27, adapted to engage either one of a pair of notched studs 28 on the right-hand plate registers the drums alternatel or engagement with in the tail spindle 12 to center that end of the drum, and its journal at the other end is extended in the form of one member 31 of a jaw clutch or coupling, the other member 32 of which is mounted on a slidin sleeve 33 splined to the live spindle 11. Siid sleeve and the tail s indle 12 are manually slidable in opposite directions by means of a stationarily-mounted longitudinal hand-rod 34 having at one end a fork 35 en aging the tail spindle, and at the other end a forked lever 36 fulcrumed on the lathe frame and engaging the coupling sleeve 33. This handrod and its connections, as will be seen, are mounted externall of the group of drums, and the rod exten s the whole length of the machine on the front side thereof so as to be accessible to the operator when standin in front at either end to sever the cord and turn the frame or turret carrying the drums. The periphery of each drum is rovided with a helical vs 37 for gui in the point of the slitting knife, said groove ing generally slanted at an angle of 45 to the end the lathe is stopped and the end of the engagement cord severed. The hand-rod M is then moved to the right to back member 32 and the spindle socket 30,wh1c leaves the holder or turret 22, 23 free to be reversed. By the handles 25, 26 the operator turns sai turret over so as to reverse the positions of the full and empty drums, and then shifts the hand-rod leftward so as to couple the indles 11, 12 to the journals of the empty rum. The feedcarriage 14 being at t e right, the cord is then wound on by a leftwa progression of ge due to a reversal of rotation While this drum is being wound, an operator at the back of the lathe slits the cord cylinder and peels ofi the resulting band or strip from the idle drum on that side and leaves it ready for re-win In this way the capacity of the lathe 1s greatly increased.

Various 0 of embodiment may be made without departing from our invention.

We claim:

1. In a winding machine, the combination of a driver, a plurality of horizontall mounted drums adapted to be alternative y coupled with said driver so that one drum is being rotated while another is free, a support for said drums adapted to be rotated to bring them alternately into position for with said driver, a guide mounted to travel back and forth parallel with the drums to feed cord onto the driven drum, and externally mounted controllin means accessible from positions in front 0 the machine at both ends of the driven drum for e said drum with the driver and disengaging it therefrom.

2. a wmdinghmaohine, the combination of a horizontal 'ving spindle havin an axially-h1ovable clutch member, an -a med tail spindle having an axially-movable hear ing member, a plurality of horizontal drums each having at one en a clutch member for enfiagement with the driv'ng clutch member an at its other end a bearing member for engagement with the bearing member on the tail spindle, a suppo for said drums adapted to be rotated/to ring them alternately into alinement with the said spindles, means for guiding cord onto the driven drum, and a stationarily-mounted hand-rod extending longitudinally of the driven drum and accessible from posit'ons at either end thereof for moving the clutch member on the driving spindle and the beari member on the tall spindle simultaneous y in opposite directions.

3. The method of making adhesive cord strips which comprises winding adhesive co successively upon a series of alternately-presented rotary supports to make a series of tubes, slitting a wound tube to form a strip and removing said strip while another tube is being wound on another support.

In testimony set our hands this 5th da of Jul FRANCIS CON JAMES L. BUTLER.

whereof we have hereunto 1918. RSE. 

